Commit 5bcee83a authored by Dario Binacchi's avatar Dario Binacchi Committed by Dmitry Torokhov
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Input: edt-ft5x06 - set report rate by dts property 



It allows to change the M06/M12 default scan rate on driver probing.

Co-developed-by: default avatarMichael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: default avatarMichael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: default avatarDario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/r/20220621123937.1330389-4-dario.binacchi@amarulasolutions.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 23ea98f4

drivers/input/touchscreen/edt-ft5x06.c

+23 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <linux/irq.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/property.h>

#include <linux/ratelimit.h>

#include <linux/regulator/consumer.h>

#include <linux/slab.h>
@@ -1084,6 +1085,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, 
	struct input_dev *input;

	unsigned long irq_flags;

	int error;

	u32 report_rate;

	char fw_version[EDT_NAME_LEN];



	dev_dbg(&client->dev, "probing for EDT FT5x06 I2C\n");
@@ -1213,6 +1215,27 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, 
	edt_ft5x06_ts_get_defaults(&client->dev, tsdata);

	edt_ft5x06_ts_get_parameters(tsdata);



	if (tsdata->reg_addr.reg_report_rate != NO_REGISTER &&

	    !device_property_read_u32(&client->dev,

				      "report-rate-hz", &report_rate)) {

		if (tsdata->version == EDT_M06)

			tsdata->report_rate = clamp_val(report_rate, 30, 140);

		else

			tsdata->report_rate = clamp_val(report_rate, 1, 255);



		if (report_rate != tsdata->report_rate)

			dev_warn(&client->dev,

				 "report-rate %dHz is unsupported, use %dHz\n",

				 report_rate, tsdata->report_rate);



		if (tsdata->version == EDT_M06)

			tsdata->report_rate /= 10;



		edt_ft5x06_register_write(tsdata,

					  tsdata->reg_addr.reg_report_rate,

					  tsdata->report_rate);

	}



	dev_dbg(&client->dev,

		"Model \"%s\", Rev. \"%s\", %dx%d sensors\n",

		tsdata->name, fw_version, tsdata->num_x, tsdata->num_y);